Optoma Optoma EP615H - Manual (Page 19)

English
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Contrast
The contrast controls the degree of difference between the lightest and darkest parts of the
picture. Adjusting the contrast changes the amount of black and white in the image.
l Press the left key to decrease the contrast.
l Press the right key to increase the contrast
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Color
The color setting adjusts a video image from black and white to fully saturated color.
l Press the left key to decrease the amount of color in the image.
l Press the right key to increase the amount of color in the image.
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Keystone Correction
Adjusts image distortion caused by tilting the projector.
" Volume
l Press the left button to decrease the volume.
l Press the right button to increase the volume.
" Bass
The Bass setting controls the lower frequencies of your audio source.
l Press the left button to decrease the bass.
l Press the right button to increase the bass.
Audio
" Treble
The treble setting controls the higher frequencies of your audio source.
l Press the left button to decrease the treble.
l Press the right button to increase the treble.
" Mono / Stereo / Stereo-enhance
l Mono: Mono sound effect.
l Stereo: Stereo sound effect.
l Stereo-enhance: Stereo-enhance sound effect.
" Mute
l Choose the left icon to make the volume function ineffective.
l Choose the right icon to make the volume function effective.